Improvement in suture-instruments



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UNITED STATES PATENT OFFICE. r'

HUGH M. coornn, or XENIA, oHIo.A

IMPROVEMENT IN `surePJE-INSTP.lnvuiurs.

Speciiic-iqtion forming part of Letters PatentNo. 43,098,

To ellwhom it may concern:

Beit known that I, Xenia, Greene county, new anduseful Instruzn and I hereby full, clear,

second, a form of su ture.

into ahem; two-inches one end a knob threads() of shaitA.-

F isafnut, which',

curve of saidY shaft.

scribed.-

The shafts A' and G are restricted to paths" concentric 'one witlrthe otheryby means of guides J J', of which-one radially inward from the. bracesthe shaft G, While the other guide, J",

extends radially and embraces the tracted, after insertion,

springs, K. K.

Ohio,have invented a entforTaking` declare the following and exact description thereof, reference being had .to the accompanying draw ings, making part of this My invention lrelates to, whereby a sutureneedle may be operatedwith more facility and less pain than heretofore;- ture-needle adapted to penetrate morereadily, andwith less injury to the. tissues. 1

-Figure l represents my instrumentwith the needle retracted.A Fig.

A with the needle protruded.

are detached representations, on double scale, otheparts which actimmediatelyon the suV radius. The. shaft A has at B, for the pressure of the other end being' screw-A threaded,-O, and notched, c,.to` receire the shank of a suture-needle, are as theshaftA, and notched, E,' `on the backlof its shank to correspond screwing over the threads C and notches E, serves die uoon the shaft A, as needle to form a continuation of the outer outward from the 'sha1'.-G shaftA. The needle is re- `by onei or. more 'spiral The form of the HUGH M. COOPER, of

shaped point or head, Sutires; cise than puncture,

to be a in the plane of the specification. such an one being flrst,.a` `provision ploy a needle, is tangential `'parallel to the edges 2 represents the same Figs 3, 4, and 45 the arcof a circle of rings I I',

D', bent to the same with the screw- 'o so secure the neefor theback if the G, 'gul-(16S -J J",- I I,'at one,

.rture h.

as set forth". 1

*Witnesses l Guo: H. KNIGHT, l JAMES H. LAXMAN.

dated June 14, 1864.

suture-needle preferred for this instrument has a broad sharp lancet- L, so as to rather inand, Wherever `practicable it is best that the atof said point should be curved shaft A, as at l` in Figs. l and 2, because Vthe incision niadeby in the direction of the su ture-thread is notsubject to be gaped open bythe tension thereof abone, as-on a linger, or Where the incision of,needle 1 inig'htre'ach some vital part, I em:

2, in Fig..4, Whose to the shaft, and consequently of thexvound. f Inboth forms of suture-needle the eye M `passes through the attencdlancet-point, and at right anglesv thereto.

-Operatiom a Ilie'r; needle threaded, and the foot H having been. placed against the side of the Wound on which the needle enters, and the rst two` ngers ofthe operator being inserted in the a pressure of thethumb of the op-` erator against the knob B to pass through the Vtufo lipsV of tlie Wound. Suiiicient slack thread` being then drawn through the eyeot' the needle is'cut, and the needle beingallowed. to retract, the severed portion` vof thread is tied. The. needle, still remainingv threaded, is then throughthe wound for another processrepe'ated until-the wound is closed.

; but for Wounds near lancet-pont opposite to ythat causes the needle again passed stitch, and the 1, The arrangexnentof curved s'laftsA and springs K K', foot H, rings I'V 1/,. knob B, and suture-.needle D, or `devices. substantially equivalent, `the whole being combined-and operating substantially 2. The curve'lshai't,notched'and screw threaded, as described,intliedescribedcom# bination'with nutF and notched suture-.nee-y ofnjhich intention I hereunto yn.. M..4 ooo'PER. 

